Del Mar is an affluent beach city in
San Diego County,
California. The population was estimated at 4,311 in 2014, up from 4,161 at the 2010 census. The Del Mar Horse Races are hosted on the
Del Mar racetrack every summer. Del Mar is Spanish for "of the sea" or "by the sea", because it is located on the Pacific Ocean. Colonel Jacob Taylor purchased from Enoch Talbert in 1885, with visions of building a seaside resort for the rich and famous. The
United States Navy operated a Naval Auxiliary Air Facility for
blimps at Del Mar during
World War II.